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Urethane Flexible Coupling
SCD Series

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  • Why Couplings?
  • Installation Guide
  • Selection Guide
  • Customer-friendly Services
  • Made-To-Order Process
  • Varieties for Special Environments
  • Balancing Correction
  • Engineering Change Notice

SCD Series

Concentricity Disk Coupling

  • SCD – 2D (.dwg)
  • SCD – 3D (.step)

Side-clamp

Dimensions / Performance
Model CAD d1, d2 (±0.3mm) Screw Permissible
Torque
(N·m)
Max.
rpm
(min-1)
Moment of
Inertia
(kg·m2)
Static
Torsional
Stiffness
(N·m/rad)
Mass
(g)
Permissible Misalignment
D D1, D2 L L1 F Size Fastening
Torque
(N·m)
Angular
(˚)
Parallel
mm
End-play
(mm)
SCDS-68C 18~25 68 47 55.9 25 7 M6 14 90/100 18,000 0.42×10-3 9.7×104 660 1 0.02 ±0.5
28~35 56
SCDS-78C 22~26 78 53 67.7 30 8.5 M8 34 200 17,000 1.23×10-3 2.1×105 1,400 1 0.02 ±0.5
28~35 70
38 74
SCDS-88C 25~32 88 66 68.3 30 8.5 M8 34 250/300 15,000 1.6×10-3 2.3×105 1,550 1 0.02 ±0.5
35~42 74
  • The Moment of Inertia and Mass values are based on products with max. Inner diameter
  • The permissible torque is determined by its inner diameter size. Please refer to the bottom of the page for more details.
Standard Inner Diameter (ID)
Model Permissible
Torque
(N·m)
Standard Inner Diameter (d1, d2) (mm)
18 19 20 22 24 25 26 28 30 32 35 38 40 42
SCDS-68C 90
100
SCDS-78C 200
SCDS-88C 250
300
  • The recommended shaft tolerance is h7.
  • Custom process (e.g. non-standard Inner diameter, special tolerance etc.) is also available upon a special request in prior to order placement.
  • The permissible torque of a complete SCD coupling should be considered according to the smaller inner diameter’s value.
  • Keyway is NOT available for all sized SCD series.